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N(A)-Level Mathematics Equations and Inequalities quiz (SEAB 4045) quiz

15questions. Pick an answer and you'll see why right away.

  1. Solve 2x+7=192x + 7 = 19.

  2. Solve 5xβˆ’3=2x+95x - 3 = 2x + 9.

  3. Solve x4+2=5\dfrac{x}{4} + 2 = 5.

  4. Solve 3(xβˆ’4)=2x+13(x - 4) = 2x + 1.

  5. Solve the inequality x+5<12x + 5 < 12.

  6. Solve the inequality βˆ’3xβ‰₯12-3x \geq 12.

  7. On a number line, which symbol uses a filled (shaded) circle at the endpoint?

  8. Solve x2βˆ’5x+6=0x^2 - 5x + 6 = 0.

  9. Solve x2+2xβˆ’8=0x^2 + 2x - 8 = 0.

  10. What is the discriminant b2βˆ’4acb^2 - 4ac for 2x2+3xβˆ’5=02x^2 + 3x - 5 = 0?

  11. Solve x2βˆ’4x+2=0x^2 - 4x + 2 = 0, giving answers to two decimal places.

  12. Solve the simultaneous equations x+y=8x + y = 8 and xβˆ’y=2x - y = 2.

  13. Solve the simultaneous equations 3x+2y=183x + 2y = 18 and x=y+1x = y + 1.

  14. Form an equation: a number multiplied by 44 then increased by 55 gives 2929. Find the number.

  15. Which step is correct when solving 7βˆ’2x=17 - 2x = 1?